Home / 4,478.21-6,704.96-2,276.16

Finding the Fourth Proportional to 4,478.21, 6,704.96 and 2,276.16

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Solution

The fourth proportional to 4,478.21, 6,704.96 and 2,276.16 is: 3,407.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.21 : 6,704.96 = 2,276.16 : x
  2. Step 2: Convert to fraction form
    4,478.21/6,704.96 = 2,276.16/x
  3. Step 3: Cross multiply
    4,478.21x = 6,704.96 × 2,276.16
  4. Step 4: Simplify right side
    4,478.21x = 15,261,561.75
  5. Step 5: Solve for x
    x = 15,261,561.75/4,478.21
  6. Step 6: Final answer
    x = 3,407.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.